Post definitions for the following:

1. Abstraction
2. Inhertiance
3. Polymorphism
4. Encapsulation
5. Association
6. Multiplicity
7. Qualified Association
8. Reflexive Association
9. Inheritance & Generalization
10. Aggregations
11. Composites
12. Contexts
13. Interfaces and Realizations
14. Use Case Diagrams
15. Class Diagrams
16. Object Diagrams
17. State Diagrams
18. Sequence Diagrams
19. Acitivity Diagrams
20. Collaboration Diagrams
21. Component Diagrams
22. Deployment Diagrams